88.8÷4-10-7.5=4.7(厘米)10×7.5×4.7=352.5(立方厘米)答:高是4.7厘米,体积是352.5立方厘米。
棱长总和=(长十宽十高)×4高=88.8÷4-10-7.5 =22.2-17.5 =4.7厘米体积=长×宽×高 =10x7.5×4.7 =352.5立方厘米